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WorksheetsG7 Physics Term 01 Review
Total questions: 23
Worksheet time: 12mins
The S.I unit of energy is _____.
joule (J)
kelvin (K)
newton (N)
volt (V)
The S.I unit of weight is _____.
ampere (A)
joule (J)
kelvin (K)
newton (N)
The S.I unit of mass is _____.
gram (g)
kilogram (kg)
milligram (mg)
pound
The energy stored in fossil fuel is _____.
chemical
elastic
electrical
kinetic
The gravitational field strength on Moon is _____.
1.6 N/kg
4.0 N/kg
9.8 N/kg
11 N/kg
The S.I unit of electric current is _____.
ampere (A)
coulomb (C)
joule (J)
volt (V)
The symbol of a switch is _____.
1 m/s2 = 1 N/kg
True
False
The symbol of ampere-meter is _____.
The word "ampere (A)" is taken from a physicist's name. Who was this physicist?
Albert Einstein
Andre-Marie Ampere
Charles Agustin de Coulomb
Alessandro Volta
The word "volt (V)" is taken from a physicist's name. Who was this physicist?
Alessandro Volta
Andre-Marie Ampere
James Prescott Joule
Sir Isaac Newton
A digital scale is used to measure the mass of a metal ball. The scale shows 50 grams. How many kilogram the mass of this metal ball?
0.005 kg
0.05 kg
0.5 kg
5 kg
The mass of a metal ball is 2.5 kg. What is the weight of this metal ball? (Take g = 10 N/kg).
0.25 N
0.5 N
5.0 N
25 N
What type of energy that will be dissipated when a flash light is used?
chemical energy
light energy
sound energy
thermal energy
When an apple falls from the tree to the ground, what kind of energy that has been transformed?
kinetic to gravitational potential
kinetic to elastic
elastic to gravitational potential
gravitational potential to kinetic
Echo is the reflection of sound.
True
False
A bat finds its prey through echo-location at night.
True
False
Sound travels the fastest in liquid.
True
False
The reflection of sounds depend on the air temperature and the distance between the source and the hard object.
True
False
The range of sound wave frequency that is inaudible to human hearing system is _____.
> 200 Hz
< 1000 Hz
> 20000 Hz
< 10000 Hz
What symbol is this?
battery
buzzer
lamp
voltmeter
What symbol is this?
battery
buzzer
lamp
switch
Who is this?
Albert Einstein
Andre-Marie Ampere
Charles Agustin de Coulomb
Sir Isaac Newton
